Mains bypass faclility for lowest power consumption. Capacitively shielded & vacuum impregnated CRGO core transformer. Hight & low voltage cut & protections. Time Delay Specially for AC & Refrigerator models. Low electricity bills due to higher efficiency. Surge suppressor and spike buster built in for extra protection. Trully automatic & noiseless switching. Compact and smart exteriors.Sophisticated circuitry for all models of Air-conditioners 1 ton, 1.5 ton and 2 tons (ideally suited for rotary & reciprocating compressors), Refrigerators (frost free), Photocopiers, Microwave Oven.